I recently rebuilt my Lexus engine using a cylinder block from a 2006 Avalon. I am currently at a stand still because i cannot figure out how the trans cooler and its hoses were connecting. My Rx came with the tow package. Can anyone give me advice on where these hoses are connected and if the engine block being an Avalon will I have to do some modifications. Any other problems I might run into using this Engine block for my Lexus? Sensors ,Wiring harness, ECU? Please I need help Thanks

 

Not sure if you have found answers yet. from what i know the tow package basically has the tranny fluid lines coming out of transmission to the tranny oil cooler which is right behind the radiator. So if you essentially removed the RX350 engine you would have disconnected two rubber hoses going in to those 2 metal pipes. I remember color taping them with colored electrical tapes to make sure not to mix it up. Now in your case as Avalon might not have those (if you have the transmission attached) you may want to take a closer look at both & swap some sections from RX in to Avalon to be able to connect those oil lines, but as for electrical harness am not too sure.. blw is my thread while i was doing it. I opened engine to replace a bent valve & all valve springs on bank 1.
https://www.clublexus.com/forums/rx-...oking-for.html